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kirill115 [55]
3 years ago
7

PLEASE HELP ASAP WITHIN THE HOUR

Mathematics
1 answer:
Vlada [557]3 years ago
8 0

Answer:

the answer is 0.19

Step-by-step explanation:

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In how many different ways can a jury of 12 people be randomly selected from a group of 40 people?
kupik [55]

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There are 5,586,853,480 different ways to select the jury.

Step-by-step explanation:

The order is not important.

For example, if we had sets of 2 elements

Tremaine and Tre'davious would be the same set as Tre'davious and Tremaine. So we use the combinations formula.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In how many different ways can a jury of 12 people be randomly selected from a group of 40 people?

Here we have n = 40, x = 12.

So

C_{40,12} = \frac{40!}{12!(28)!} = 5,586,853,480

There are 5,586,853,480 different ways to select the jury.

3 0
3 years ago
the angle of elevation of a top of a tree from a certain point on the ground is 45 degree. if the tree is 15 meters high,how is
Sphinxa [80]

Answer:

15m

Step-by-step explanation:

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X = 56 degrees because the sum of all the angles in a triangle is 180 degrees.
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